Quantum Composers 9730 Series Instruções de Operação descarregar pdf (Página 34)

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SCPI Parameter Types

The following parameter types are used:

 <numeric value>

o Accepts all commonly used decimal representation of numbers including

optional signs, decimal points and scientific notation: 123, 123e2, -123, -

1.23e2, .123, 1.23e-2, 1.2300E-01.

 <Boolean value>

o Represents a single binary condition that is either true or false. True is

represented by a 1 or ON; false is represented by a 0 or OFF. Queries

return 1 or 0.

 <identifier>

o Selects from a finite number of predefined strings.

Error Codes

The unit responds to all commands with either:

ok<cr><lf> or ?<n><cr><lf> <cr> = carriage return, <lf> = line feed

Where "n" is one of the following error codes:

1 Incorrect prefix, i.e. no colon or * to start command.

2 Missing command keyword.

3 Invalid command keyword.

4 Missing parameter.

5 Invalid parameter.

6 Query only, command needs a question mark.

7 Invalid query, command does not have a query form.

8 Command unavailable in current system state.

Programming Examples

Example 1:

20 ms pulsewidth, 2.3 ms delay, internal trigger, single shot operation.

:PULSE0:MODE SING<cr><lf> sets system mode to single shot

:PULSE0:TRIG:MODE DIS<cr><lf> disables the external trigger

:PULSE1:WIDT 0.020<cr><lf> sets pulsewidth to 20 ms

:PULSE1:DELAY 0.0023<cr><lf> sets delay to 2.3 ms

:PULSE1:STATE ON<cr><lf> enables channel A

To start the pulses use either of the following commands:

:PULSE0:STATE ON<cr><lf> starts the pulses

:INST:STATE ON<cr><lf> alternate form to start pulses.

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Quantum Composers 9730 Series Instruções de Operação Página 34